Brake pedal, removing and installing Page 1 of 10
46-46
Brake pedal, removing and
installing
Removing and installing vacuum servo unit with
brake master cylinder page 47-34
- Unbolt hydraulic line -1- for clutch master cylinder.
CAUTION!
Before disconnecting the hydraulic line, protect the plenum chamber
from brake fluid flowing out.
- Disconnect supply hose from elbow of master cylinder.
- Remove nut -1- at universal joint.
-
Loosen eccentric by turning bolt (Torx T50) clockwise, and remove
bolt.
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Brake pedal, removing and installing Page 2 of 10
46-47
- Secure steering column with safety wire before removing steering
column from steering gear pinion.
CAUTION!
The splines between the top and bottom part of the steering
column must not be separated during the removal and installation
procedure.
Turn the steering wheel into center position and do not alter
position during repairs, otherwise the airbag spiral spring may be
damaged.
- Move universal joint down out of the way.
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Brake pedal, removing and installing Page 3 of 10
46-48
- Remove brake light switch -3- and CCS vent valves -2-.
- Remove hex socket-head bolt (arrow) for attaching pedal assembly to
instrument panel member.
- Pull pedal assembly down and remove.
Note:
Do not damage control module -1- for immobilizer (where applicable)
when removing pedal assembly.
- To remove accelerator pedal, press catch in direction shown (arrows)
while pressing out accelerator pedal.
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Brake pedal, removing and installing Page 4 of 10
46-49
Installing
CAUTION!
Do not remove safety wire or other
removal/installation aids from steering
column until after the universal joint has been
re-installed on the steering gear pinion.
- Install pedal assembly onto joint pin.
- Install hex socket-head bolt (arrow) for attaching pedal assembly to
instrument panel member and tighten by hand.
Note:
Do not tighten hex socket-head bolt (arrow) for attaching pedal assembly
to instrument panel member until after installing the brake servo unit.
- Attach accelerator pedal (AP) cable.
- Install brake servo unit page 47-37 .
After installing:
- Bleed brakes page 47-23 .
- Bleed clutch Repair Manual, Manual Transmission 012 Front
Wheel Drive or Manual Transmission 01A All Wheel Drive, Repair
Group 30.
-
Adjust brake light switch ( page 46-50 ) and CCS vent valves (
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Brake pedal, removing and installing Page 5 of 10
page 46-54 ).
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Brake pedal, removing and installing Page 6 of 10
46-50
Brake light switch -F-, adjusting
The pedal assembly must be bolted tight to
the brake servo and to the instrument panel
member before carrying out the adjustment.
The following adjustments should be carried out
in case of complaint:
Pedal bracket for brake light switch with retaining clip
1 - Brake light switch
2 - Hex nut, M12 x 1.5
Part No. N 011 162 9
3 - Spring washer, M12
Part No. N 012 232 3
4 - Hex nut, M12 x 1.5
Part No. N 011 162 9
5 - Brake pedal
CAUTION!
Part numbers are listed here for reference only. Always check with
your Parts department for the latest information.
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Brake pedal, removing and installing Page 7 of 10
46-51
- Pull brake light switch out of pedal bracket.
- Remove clip page 46-45 , item - 20 -.
- Turn nut -2- on brake light switch.
- Install brake light switch in pedal bracket, insert spring washer -3- and
nut -4-.
- Adjust clearance -A-, then tighten nut -4-.
Dimension -A- = 0.1 to 0.5 mm (0.004 to 0.020 in.)
Tightening torque: 4 Nm (35 in lb)
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Brake pedal, removing and installing Page 8 of 10
46-52
Pedal bracket with internal thread for brake light switch
1 - Brake light switch
2 - Hex nut, M12 x 1.5
Part No. N 011 020 8
3 - Brake pedal
Note:
Between the nut and the pedal bracket there is a spring clip (not shown),
Part No. N 012 042 4.
CAUTION!
Part numbers are listed here for reference only. Always check with
your Parts department for the latest information.
- Install brake light switch in pedal bracket.
- Adjust clearance -A-, then tighten nut -2-.
Dimension -A- = 0.1 to 0.5 mm (0.004 to 0.020 in.)
Tightening torque: 4.5 Nm (39 in lb)
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Brake pedal, removing and installing Page 9 of 10
46-53
With spring clip for the brake light switch
1 - Stop surface of brake pedal
2 - Spring clip
Press into pedal cluster from behind
3 - Pedal cluster
4 - Brake light switch -F-
a - Clearance: max. 0.7 mm (0.028 in.)
Note:
The switch must be installed only once in order to assure that it is
adequately tight.
Adjusting switch
- Insert switch -4- into installed clip -2- and press in to stop.
Note:
As a result of this step, the brake pedal must not be under preload.
If necessary, turn switch back somewhat, noting clearance -a-.
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Brake pedal, removing and installing Page 10 of 10
46-54
Cruise Control System (CCS) vent valve,
adjusting
- Insert vent valve into clip and push through to
stop.
- Push back valve by pulling back brake pedal or
clutch pedal to stop.
Note:
Only install the valve one time, otherwise an
adequately tight fit cannot be assured.
Version with spring clip for the vent valve
- Same procedure as for the brake light switch
page 46-53 .
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